CVE-2026-63852

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Source

https://cve.org/CVERecord?id=CVE-2026-63852

Import Source

JSON Data

https://api.test.osv.dev/v1/vulns/CVE-2026-63852

Downstream

Published

2026-07-19T14:04:43.258Z

Modified

2026-07-22T03:31:46.829328247Z

Severity

7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

drm/amdgpu/vcn: set no_user_fence for VCN v4.0.3 enc ring

Details

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/vcn: set nouserfence for VCN v4.0.3 enc ring

VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences.

(cherry picked from commit ff1a5a125c5a70c328806b9bc01d7d942cf3f9aa)

Database specific

{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63852.json"
}

References

Affected packages

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

b889ef4ac98837838c38f7b9f72bba2f33ee367d

Fixed

c12a5d35033c0640c57c10d7111c010c7b9c2c8e

Fixed

387b7c7667bd5c53549350ddad866d2fcf75a529

Fixed

9076a83e5adefd10dc5c967c7b8bde601c4c512a

Fixed

0177ac6141c8857130cf365369c74dee7b6b1f7f

Fixed

4532b52b34e4e4310386e6fdf6a643368599f522

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-63852.json"

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-63852.json"